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Service bulletins for the 2018 Porsche Cayenne

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

718 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
No. 23132023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for the Pico Oscilloscope Extended Functionality
No. 1706.22023-07-06. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for packaging and test log requirements for high voltage lithium-ion battery returns.
No. 67-232023-07-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Technical information for WNP5 - replacing drain hose on heating/fresh air unit
No. 31-202023-04-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for the diagnosis and handling of 12v lithium ion battery
No. 31-202023-02-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for a diagnosis and handling of the 12 volt battery (on-board battery)
No. 159-21-12023-01-10. Service bulletin. ELECTRICAL SYSTEM. Information on technical information for a complaint involving the Cayenne, Cayman, Boxster, Macan, and 911. The SD map update/OTA map update does not function
No. 28-132023-01-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information on technical information for diesel vehicles BIN 5 - control unit with NOx sensor needs to be replaced, only replace in pairs.
No. 22342023-01-10. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for improper odometer and speedometer function
WMP22022-12-07. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on WMP2 workshop campaign - rework charging electronics
No. 199-22-32022-12-07. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Technical information for ANB4 - retrofitting locking caps on the front left and right headlights.
No. 155-222022-11-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Technical information on WMP4 - affixing label on the infrastructure charging cable.
No. 2011.12022-11-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Information for recommended HV battery - fire blanket on the Panamera, Cayenne, and Taycan
No. 30-222022-10-05. Service bulletin. ELECTRICAL SYSTEM. Technical information on WMJ9 – Re-Programming Gateway Control Unit
No. 197-21-12022-10-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMP2 - reworking charging electronics
No. 197-21-12022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMP2 - reworking charging electronics.
No. 139-222022-09-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Technical information for the check engine warning light activated/fault memory entry.
No. 197-21-32022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMP2 - reworking charging electronics
No. 30-22-12022-09-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMJ9 - reprograming gateway control unit (battery sensor)
No. 125-182022-09-07. Service bulletin. ELECTRICAL SYSTEM. Symptom base workshop manual for eliminating transmission symptoms - yellow warning message.
WMJ92022-08-17. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on Workshop Campaign WMJ9 - reprograming control unit gateway
WMJ62022-08-16. Service bulletin. ELECTRICAL SYSTEM; SEATS. Porsche intranet posting with information on Workshop Campaign WMJ6 - reprograming and-or coding seat control unit
WMM72022-08-16. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on Workshop Campaign WMM7 - replacing VTS control unit
WLN32022-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Porsche intranet posting with information on Workshop campaign WLN3 - replacing starter
No. 05-212022-06-03. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM):SOFTWARE. Technical information for replacing the high-voltage battery
No.108-192022-06-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Information on symptom-based workshop manual - map details missing some regions: re-program navigation update using SD card.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.